14-11-2012, 05:38 PM
Automobile Tires
Automobile Tires.ppt (Size: 1.85 MB / Downloads: 81)
History
First inflatable tire was invented in 1845 in Scotland
First radial tire was invented in 1946 by Michelin but it was not popular in the US until 1970s
Design of Radial Tires
Bead secures the tire on the wheel
Sidewall provides lateral stability
Treads starts out smooth before going through the curing process
Recycling
1989-Only 10% of tires were recycled
Now over 80% of tires are recycled
-130 million for fuel
-56 million recycled for civil engineering projects
Future of tires?
Tweel
Deforms over road hazards
Absorbs shock
Does not require air
Developed by Michelin